Thread: Water security
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Old 2017-04-17, 17:13   #56
Nick
 
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Dec 2012
The Netherlands

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Default Receding glacier causes immense river to vanish in 4 days

Quote:
For hundreds of years, the Slims carried meltwater northwards from the vast Kaskawulsh glacier in Canada’s Yukon territory into the Kluane river, then into the Yukon river towards the Bering Sea. But in spring 2016, a period of intense melting of the glacier meant the drainage gradient was tipped in favour of a second river, redirecting the meltwater to the Gulf of Alaska, thousands of miles from its original destination.
Press article: https://www.theguardian.com/science/...climate-change


Quote:
Prof Lonnie Thompson, a paleoclimatologist at Ohio State University who was not involved in the work, said the observations highlight how incremental temperature increases can produce sudden and drastic environmental impacts. “There are definitely thresholds which, once passed in nature, everything abruptly changes,” he said.
René Thom would have loved that.
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